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Question
I have a crakling noise coming over my JBL MP225 pro speakers. Both fifteens are crackling, is it the speakers or is it the crossover circuitry?
Could be loose/separated voice coil, yes.
Could also be bad wiring to the speaker or the crossover.
Could be the crossover circuitry - bad coil.
Could be the amplifier.
You have some checking to do. Do you have other speakers you can connect to the amp to see if the noise may be coming from the amplifier?
Try reconnecting all the wires, wiggling them to make sure you have good solid connections.
The fact you have crackling coming from both speakers is questionable that the speakers have both failed at the same time; that is why I am leaning towards the amplifier.......
Send a followup if you need more.
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Answers by Expert:
Cleggsan
Expertise
Audio Design Engineer; systems, loudspeakers, cd/dvd players, etc. I am knowledgeable in all high end audio equipment and installations. MAKE SURE YOU GIVE A MAKE AND MODEL NUMBER AND CAR IF IT IS AN AUTO QUESTION. Note: I am getting some who ask good questions that take a lot of time to research but then the questioner fails to read the answer. Please don't ask questions unless you are seriously looking for an answer. If you find an answer to your question otherwise then let me know with your reply. Thank you.
Experience
Have been associated with audio design, standards, testing and component systems for over 40 years.
Organizations
Life Fellow Member of Audio Engineering Society
Life Senior Member of Institute of Electronic and Electrical Engineers
Publications
Review technical manuscripts for IEEE Spectrum
Write occasionally for high-end audio publications
Education/Credentials
BSEE/MSCS/MBA
Past/Present Clients
Past Employee/advisor to several well known audio products manufacturers
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